/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (c) 1990, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Cimarron D. Taylor of the University of California, Berkeley.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)find.h	8.1 (Berkeley) 6/6/93
 *	$FreeBSD$
 */
#include "compat.h"

#include <regex.h>
#include <sys/mount.h>
#include <sys/stat.h>

#define __unused
/*
 * We need to build find during the bootstrap stage when building on a
 * non-FreeBSD system. Linux does not have the st_flags and st_birthtime
 * members in struct stat so we need to omit support for tests that depend
 * on these members. This works fine since none of these flags are used
 * during the build of world and kernel.
 */
#ifdef UF_SETTABLE
#define HAVE_STRUCT_STAT_ST_FLAGS 1
#else
#define HAVE_STRUCT_STAT_ST_FLAGS 0
#endif
#if defined(st_birthtime) || defined(st_birthtimespec)
#define HAVE_STRUCT_STAT_ST_BIRTHTIME 1
#else
#define HAVE_STRUCT_STAT_ST_BIRTHTIME 0
#endif
#if defined(MFSNAMELEN) || defined(MFSTYPENAMELEN)
#define HAVE_STRUCT_STATFS_F_FSTYPENAME 1
#else
#define HAVE_STRUCT_STATFS_F_FSTYPENAME 0
#endif

/* forward declarations */
struct _plandata;
struct _option;

/* execute function */
typedef int exec_f(struct _plandata *, FTSENT *);
/* create function */
typedef struct _plandata *creat_f(struct _option *, char ***);

/* function modifiers */
#define F_NEEDOK 0x00000001  /* -ok vs. -exec */
#define F_EXECDIR 0x00000002 /* -execdir vs. -exec */
#define F_TIME_A 0x00000004  /* one of -atime, -anewer, -newera* */
#define F_TIME_C 0x00000008  /* one of -ctime, -cnewer, -newerc* */
#define F_TIME2_A 0x00000010 /* one of -newer?a */
#define F_TIME2_C 0x00000020 /* one of -newer?c */
#define F_TIME2_T 0x00000040 /* one of -newer?t */
#define F_MAXDEPTH F_TIME_A  /* maxdepth vs. mindepth */
#define F_DEPTH F_TIME_A     /* -depth n vs. -d */
/* command line function modifiers */
#define F_EQUAL 0x00000000 /* [acm]min [acm]time inum links size */
#define F_LESSTHAN 0x00000100
#define F_GREATER 0x00000200
#define F_ELG_MASK 0x00000300
#define F_ATLEAST 0x00000400 /* flags perm */
#define F_ANY 0x00000800     /* perm */
#define F_MTMASK 0x00003000
#define F_MTFLAG 0x00000000 /* fstype */
#define F_MTTYPE 0x00001000
#define F_MTUNKNOWN 0x00002000
#define F_IGNCASE 0x00010000  /* iname ipath iregex */
#define F_EXACTTIME F_IGNCASE /* -[acm]time units syntax */
#define F_EXECPLUS 0x00020000 /* -exec ... {} + */
#if HAVE_STRUCT_STAT_ST_BIRTHTIME
#define F_TIME_B 0x00040000  /* one of -Btime, -Bnewer, -newerB* */
#define F_TIME2_B 0x00080000 /* one of -newer?B */
#endif
#define F_LINK 0x00100000 /* lname or ilname */

/* node definition */
typedef struct _plandata {
  struct _plandata *next; /* next node */
  exec_f *execute;        /* node evaluation function */
  int flags;              /* private flags */
  union {
    gid_t _g_data;  /* gid */
    ino_t _i_data;  /* inode */
    mode_t _m_data; /* mode mask */
    struct {
      u_long _f_flags;
      u_long _f_notflags;
    } fl;
    nlink_t _l_data;              /* link count */
    short _d_data;                /* level depth (-1 to N) */
    off_t _o_data;                /* file size */
    struct timespec _t_data;      /* time value */
    uid_t _u_data;                /* uid */
    short _mt_data;               /* mount flags */
    struct _plandata *_p_data[2]; /* PLAN trees */
    struct _ex {
      char **_e_argv;            /* argv array */
      char **_e_orig;            /* original strings */
      int *_e_len;               /* allocated length */
      int _e_pbnum;              /* base num. of args. used */
      int _e_ppos;               /* number of arguments used */
      int _e_pnummax;            /* max. number of arguments */
      int _e_psize;              /* number of bytes of args. */
      int _e_pbsize;             /* base num. of bytes of args */
      int _e_psizemax;           /* max num. of bytes of args */
      struct _plandata *_e_next; /* next F_EXECPLUS in tree */
    } ex;
    char *_a_data[2];  /* array of char pointers */
    char *_c_data;     /* char pointer */
    regex_t *_re_data; /* regex */
  } p_un;
} PLAN;
#define a_data p_un._a_data
#define c_data p_un._c_data
#define d_data p_un._d_data
#define fl_flags p_un.fl._f_flags
#define fl_notflags p_un.fl._f_notflags
#define g_data p_un._g_data
#define i_data p_un._i_data
#define l_data p_un._l_data
#define m_data p_un._m_data
#define mt_data p_un._mt_data
#define o_data p_un._o_data
#define p_data p_un._p_data
#define t_data p_un._t_data
#define u_data p_un._u_data
#define re_data p_un._re_data
#define e_argv p_un.ex._e_argv
#define e_orig p_un.ex._e_orig
#define e_len p_un.ex._e_len
#define e_pbnum p_un.ex._e_pbnum
#define e_ppos p_un.ex._e_ppos
#define e_pnummax p_un.ex._e_pnummax
#define e_psize p_un.ex._e_psize
#define e_pbsize p_un.ex._e_pbsize
#define e_psizemax p_un.ex._e_psizemax
#define e_next p_un.ex._e_next

typedef struct _option {
  const char *name; /* option name */
  creat_f *create;  /* create function */
  exec_f *execute;  /* execute function */
  int flags;
} OPTION;

#include "extern.h"
